booked two tickets from Venice to Rome and it says Order Pending awaiting further action. What should I do?

My Order number is ITE112592. I have put in my card details and after processing my details it came up with the following message

You have attempted to complete an order which requires further action. We will contact you directly to complete your order. Your prices are not guaranteed until the order is confirmed.

Now I am not sure whether I have been charged yet or not. How can this be resolved please. Thus far I have not been contacted either by e mail or phone to inform me of anything at all, regarding this booking . When and how will I be contacted to resolve this? my e mail address is - kimi2490@yahoo.co.in. Thank you